Refrigerant recovery unit



FIG. 1 is a front elevation view of a refrigerant recovery unit showing our new designs;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a refrigerant recovery unit, as shown and described. 